baber/WOPTO huggingface dataset:
Patent GB-873256-A (GB)
Title: Drawtwister for filamentary materials
Inventor: BROMLEY JAMES ERNEST
IPC: D01H1/30
Filed: 1959-04-30
Abstract: 873,256. Drawtwisting apparatus. CHEMSTRAND CORPORATION. April 30, 1959, No. 14792/59. Class 120(2) In a drawtwister for filamentary material in which the drawing and twisting means are driven by common means, a slip-coupling is provided between the driving and drawing means to prevent over-feeding at starting and stopping. As applied to a Whitin draw-twister, Fig. 1, where for each filament, is provided a package 13, a traverse guide 18, a cot 22, a pin 32 and a draw roll 33 over which the thread is wrapped several times, and a ring-spindle 44, the rolls 22 and 33 and the spindles are driven from a motor 30 as shown diagramatically in Fig. 2. A slipcoupling, which may be frictional, magnetic or centrifugal, is provided between the rolls and the motor to offset the effect of the slip between the tapes 46 and the spindles at starting and stopping.
Patent GB-611802-A (GB)
Title: Improvements relating to welding electrodes and to welding nickel-chromium or nickel-chrominum-iron alloys
IPC: B23K35/30
Filed: 1946-05-16
Abstract: A flux coated electrode for fusion welding nickel chrome and nickel-chrome-iron alloys has a core of similar composition to the joint material and also contains niobium, preferably not more than 5 per cent, and silicon such that their ratio in the deposited weld metal is greater than 4.5 to 1.  The niobium may be in the core, e.g., 4 per cent wholly or part in core and covering, or wholly in the flux coating, conveniently as ferro-niobium.  The iron must not be greater than 10 per cent and the nickel and chrome must be at least 75 and 10 per cent respectively.  The electrode may be used with alternating or direct welding current.  A typical electrode comprises, core: 75 to 85 per cent nickel, 10 to 16 per cent chromium, 4 to 10 per cent iron and .05 to .7 per cent silicon with .01 to .2 per cent carbon, .05 to 1 per cent manganese, .05 to 1 per cent copper, up to 2 per cent aluminium, up to 4 per cent titanium and up to .25 per cent molybdenum; coating: 37 to 47 per cent calcium carbonate, 20 to 30 per cent calcium fluoride, 5 to 20 per cent of a 25 per cent ferro-titanium alloy, 0 to 30 per cent of a 50 per cent ferro niobium alloy, 2 to 5 per cent hydrated aluminium silicate and 1 to 5 per cent potato dextrine with water as a binder.
Patent GB-227049-A (GB)
Title: Improvements in and relating to closures for openings such as door, window or like openings
IPC: E05F11/04
Filed: 1924-06-21
Abstract: 227,049. Gibson, A. L., (Kinnear Manufacturing Co.). June 21, 1924. Windows; doors; window shutters; sliding window and shutter opening and closing apparatus.-One of the closure members 5 for a window, door, or like opening is hinged or pivoted to the frame at 6, and is connected to a second member 7 by means of pivoted cranked links 10, 11, as shown. The lower panel 7 has guide rollers 8 engaging guideways in the frame. The joint between the meeting edges of the panels is covered by a strip 25 secured along the lower edge of the upper panel. When heavy, the windows &c. described above are provided with balancing and operating means comprising chains 17, 18, connected to the studs carrying the rollers 8 and passing over pulleys 19, 20 to the counterweight 16. The pulleys 19, 20 are fast on a shaft 21, and are operated by gearing from a chain and sprocket 25, 24.
Patent GB-885194-A (GB)
Title: A machine for peeling tuberous crops and hard fruit, particularly potatoes
IPC: A23N7/02
Filed: 1960-04-29
Abstract: 885,194. Potatoes &c. peeling. MACHINEFABRIEK FINIS N.V. April 29, 1960 [May 6, 1959], No. 15055/60. Class 28 (2). Potatoes are peeled by cutters 6 inserted in slots of a rotating bottom 2 and also by further cutters 7 in rotating side plates 3 on spindles 5 nearly perpendicular to the openings in the vessel 1. There may be two or more plates 3 of the same or differing sizes and they may have concave inner surfaces. The rotating bottom 2 may drive plates 3 either directly or through transmission members.
Patent GB-782899-A (GB)
Title: Boiler systems for space heating and provision of hot water for consumption
IPC: F24H1/48
Filed: 1954-05-21
Abstract: 782,899. Hot-water boilers. CERNY, J. and SWATEK, M., [trading as SWATEK & CERNY]. May 21, 1954 [June 9, 1953], No. 15062/54. Class 64(1) In a system for space heating by hot water or steam combined with means for producing hot water for consumption, the boiler comprises heating elements 1 connected in a closed circuit by riser and downcomer pipes 8, 13 with a hot water or steam reservoir 12 containing a heat exchanger 31 in which water for consumption is heated, the reservoir 12 being in a hot gas stream downstream of the elements 1, and the hot water or steam being fed to the space heating installation directly from reservoir 12 and being returned to the bottom of the boiler. The return pipe 13 is forked at its upper end. Room-heating radiators are connected by a flow pipe 30 to an expansion vessel 28 connected by a riser pipe 27 to the reservoir 12, and are connected by a return pipe to a pipe 6 which is connected at both ends to the boiler sections 1. The heat exchanger 31 is a coiled pipe with its inlet and outlet at the same end of the reservoir as the return pipe 13 is. A thermostatic element 38 controlling the fuel supply to the burner 14 is at the same end. If the reservoir 12 is for water only, it has an empty central shell 10, so that the water space is annular. The boiler has an inner casing 24 and an outer casing 36, between which cooling air is drawn by flue gases passing from the outlet 25 to the outlet 37. The boiler sections are flat and thin-walled, and each have a number of vertical water passages separated by vertically elongated gas passages. Baffles 26 deflect the hot gases through these gas passages. Groups of boiler sections may be connected in parallel in the water cycle.
Patent GB-1382087-A (GB)
Title: Method and apparatus for testing transmission lines and channels
IPC: G01R27/32
Filed: 1972-03-30
Abstract: 1382087 Measuring variation of attenuation with frequency POST OFFICE 29 March 1973 [30 March 1972] 15176/72 Heading G1U The attenuation caused in a transmission line by multiple even order reflections - which arise from local irregularities in the line - is determined by applying a burst of a carrier frequency to the line, thereby causing at the output end of the line a resulting signal which is notionally divided into two portions, namely a primary signal being that part of the resulting signal that coincides in time with the applied carrier burst, and a secondary signal, being that part of the resulting signal that starts at the end of the carrier burst, and by measuring the ratio of the amplitudes of the secondary and primary signals. As described bursts of a swept frequency source 4, Fig.2, are gated 5 to a line 1 under test, the bursts being sufficiently short in relation to the sweep frequency that each can be regarded as being of a constant frequency. The output from the line is passed via an equalizer 7, a calibrating attenuator 8, an amplifier 9, a sampling circuit 10 controlled to sample either the primary output signal or the secondary output signal, a detector and an x-y plotter which also receives a control signal synchronous with the sweep control. In use first a variable delay 11 is set so that the primary output signal is sampled and a complete sweep is made. Then the delay is set so that the secondary output signal is sampled and a second complete sweep is made. Since the secondary output signal is considerably smaller than the primary, the calibrating attenuator 8 is also adjusted for this sweep to bring the secondary signal into a more convenient range. Finally, the two output plots are utilized as the basis of a series of calculations, from which the variation of attenuation with frequency is determined.
Patent GB-720149-A (GB)
Title: Improvements in or relating to pneumatic tyres
Inventor: COOPER DAVID HENRY D OYLY
IPC: B60C9/22
Filed: 1952-06-17
Abstract: 720,149. Pneumatic tyres. DUNLOP RUBBER CO., Ltd. April 24, 1953 [June 17, 1952]. No. 15178/52. Class 144 (2). A tyre cover has a reinforcement layer 3 comprising a winding of circumferentially extending contiguous turns of substantially inextensible material, located between the carcase 4 and the tread 1, the longitudinal side edges of each turn having laterally extending projections so that adjacent turns mesh. Fig. 1 shows a layer 3 of partially vulcanized hard rubber strip 10 which has been coated with a bonding composition, the sides of the strip being castellated to interfit with adjacent turns or bands thereof. The layer may be pre-formed as a hoop laterally tied by a winding of fine metal wire, or the sides of the rubber strip may be serrated instead of castellated. Fig. 2 shows stranded steel cable windings 13 having flattened portions 14 for adjacent windings to interfit as shown. Alternatively flexible steel strip profiled as for the rubber strip 10 above may be used. Fig. 3 shows rubberized steel cable 15 provided with a helical winding 16 of steel wire, the winding on adjacent turns or bands being of opposite hand and of such pitch as to allow interfitting as shown. Alternatively twisted twin cable may be used, the twist being such as to allow nesting of adjacent turns or bands. In each case the carcase 4 of the tyre may comprise two plies 5, 6 of parallel rubberized textile cords which are inclined to bead wires 7 at an angle between 70 degrees and 90 degrees, the cords in the two plies being oppositely directed. The plies may be sandwiched between thin rubber sheets 8, 9.
Patent GB-848928-A (GB)
Title: Improvements relating to optical systems with alternative magnifications
IPC: G02B15/14
Filed: 1958-05-12
Abstract: 848,928. Optical systems. OPTISCHE INDUSTRIE DE OUDE DELFT N.V. May 12, 1958 [May 13, 1957], No. 15199/58. Class 97(1) An optical system having two alternative magnifications comprises a main lens 1, which is fixed with respect to the image plane 5, and an accessory lens 2 which can occupy either of two positions A and B, which are symmetrical with respect to the point 4 midway between the object 3 and the intermediate image 6. The accessory lens may be axially moved between these two positions A and B, or be mounted so as to be rotatable about the mid point 4.
Patent GB-146704-A (GB)
Title: Improvements in lamps, especially intended for use as head-lights for vehicles
IPC: F21V19/00
Filed: 1919-06-17
Abstract: 146,704. Johnson, J. Y., (F.I.A.T. Fabbrica Italiana Automobili Torino Soc. Anon.). June 17, 1919. Vehicular lanterns.-In a vehicular headlight of the type in which the electric lamp bulb can be removed without opening the lantern front, thelamp bulb is carried by an element forming the central part of the lamp reflector. Fig. 1 shows a headlight in which a screwed sleeve P on the rear of the reflector engages a sleeve 0 on the lantern casing and in which the front glass is fixed to the casing A by a ring B so as to form a tight joint. The electric lamp bulb is secured to the detachable central part E of the reflector by means of spring catches K engaging holes in the lamp- 'holder. The part E is slidably mounted in the sleeve P and is held in position against the remaining part of the reflector by a spring H fixed to a cover F, which is secured to the back of the casing by a bayonet-joint fastening or otherwise. The spring H forces a contact-making head-piece M against the terminal wires on the electric lamp bulb.
Patent GB-579711-A (GB)
Title: Improvements in apparatus for electric arc welding
IPC: B23K9/20
Filed: 1944-08-10
Abstract: 579,711. Welding. ENGLISH ELECTRIC CO., Ltd., BROWN, J. K., HAWKINS, J. M., and WEIL, R. F. J. Aug. 10, 1944, No. 15235. [Class 83 (iv)] An apparatus for welding screwed studs or the like to plates in which an arc is struck by melting a fusible insert or extension on the stud comprises a stud holder withdrawable against the action of a spring, gravity or other biassing force by pressing the end of the stud against the plate, means for temporarily retaining the stud holder in the withdrawn position until the arc is formed and adjustable stops which, by coming into contact with the plate, limit the extent of the inward movement of the stud holder when the stud is pressed against -the plate. A chuck holder 3 for the stud is slidable in a body 1 provided with a handle and is pressed down by a spring 4. It is formed with ratchet teeth 3d normally engaged by a spring- pressed pawl 9 to hold the chuck in withdrawn position during formation of the arc, the pawl being finally withdrawn by fluid pressure or by a solenoid 7 in order to allow the spring to force the end of the stud into the plate to complete the weld. On the body is adjustably mounted, by a coned clamp ring 11, a ring 10 carrying the - adjustable legs 12 of a tripod, the end of the stud projecting beyond the ends of the legs. In operation the stud is pressed against the plate against the pressure of the spring 4 until the ends of the tripod legs bear against the plate, whereupon the welding circuit is completed to melt the fusible insert and to strike the arc, the holder 3 being held retracted by the pawl 9. After a predetermined interval the coil 7 is energized to withdraw the pawl and the spring 4 forces down the stud to complete the weld. The ratchet teeth may be formed by a buttress screw thread and a second pawl device may be used so that the two pawls engage.teeth at points so that when a crest of the thread is opposite the first pawl, the second 'pawl is midway between two adjacent crests of the thread. In another form the holder 3 carries a solenoid 7 and a pair of frusto-conical discs 14, 15 of which 15 is slidable thereon and is donnected by headed screws 18 to an armature ring 17 pressed upwards by a spring 8. The discs press balls or segmental wedges against the body 1 so as to hold the member 3 in retracted position when the solenoid 7 is energized. The holder is thus normally free to move up and down during attachment of the chuck and insertion of the stud. The members 14, 15 may alternatively be pyramidal and the balls replaced by barrel-shaped rollers. The device instead of being operated by a handle 2 may form part of a machine, being brought into operative position by a hand lever or pedal against the action of a spring or brought into and out of operative position by a fluid pressure servo-motor controlled by a hand-operated valve.
Patent GB-245004-A (GB)
Title: A new or improved puzzle or game apparatus
IPC: A63F9/08
Filed: 1925-06-12
Abstract: 245,004. Haelbig, C. June 12, 1925. Puzzles. - Relates to a puzzle of the type in which pieces 2 of equal size are arranged side by side in a box 1 so that the box is filled with the exception of a square 4 equal in size to one piece, and consists in forming the bottom of the box of wood and in providing the pieces 2 with heads 5 adapted to be guided in longitudinal and transverse slots 7 cut in the bottom of the box. The puzzle consists in arranging the pieces, by sliding them one at a time, into some predetermined succession.
Patent GB-720982-A (GB)
Title: Improvements in or relating to electric discharge tubes for decimetre- and centimetre-waves
IPC: H01J21/36
Filed: 1953-06-03
Abstract: 720,982. Thermionic valves. PHILIPS ELECTRICAL INDUSTRIES, Ltd. June 3, 1953 [June 6, 1952], No. 15326/53. Class 39 (1) An electric discharge tube for use at frequencies greater than 300 mc./sec. has two electrodes, one of which operates at more than 900‹ C., separated by rods of synthetic sapphire. Three rods 5 of synthetic sapphire, which may be 5 mm. long and 0.3 to 0.75 mm. in diameter, are soldered into apertures 4 in anode 2 with silver or copper so that they project by 2 mm. from the shoulder surrounding the anode face, and have their ends ground flat together with the anode face. Cathode 1, having a metallic emitting surface and preferably operating at 1,050‹ C., is likewise ground flat and spring 3 forces it against foil 6 which determines the anode to cathode spacing. In this way spacings of 10Á can be maintained with an accuracy of 1Á. Sapphire is stated to combine low loss with resistance to deformation at the activation temperature of 1,350‹ C. In an alternative construction for a triode, the sapphire rods are soldered with platinum through a flange joined to the cathode part way down its length and springs pressing on the lower ends of the rods cause the upper ends, which are ground flush with the cathode surface, to bear on a foil which determines the spacing of the cathode from a discsealed grid.
Patent GB-1530672-A (GB)
Title: Vertical centrifuge
IPC: B04B11/05
Filed: 1976-04-14
Abstract: 1530672 Centrifugal filter ESCHER WYSS Ltd 14 April 1976 [22 April 1975] 15338/76 Heading B1D A centrifuge comprises a housing 1 having a cover 2; a drum 4 arranged in the housing for rotation about a vertical first axis, the drum having an upper feed opening 9 and a lower discharge opening 10; means 28 for supplying material to a region within the drum to one side of the first axis; a shielding wall 11 or 18 inside the drum and mounted on a shaft extending through the cover for rotation about a second axis (suitably coincident with the first axis) between positions on opposite sides of the first axis, the wall serving to impede the passage of material from the drum to outlet 10 when positioned on one side of the first axis, but permitting such passage when on the opposite side of the axis. Suitably, the shield comprises a pair of part-circular walls, independently mounted for rotation and for axial movement. A scraper 30 and washing tube 29 for supply of detergent may also be provided.
Patent GB-791940-A (GB)
Title: Improvements relating to vehicles for use in raising root crops
IPC: A01D33/06
Filed: 1956-05-17
Abstract: 791,940. Potato-harvesters. LAWAETZ, O. H. May 17, 1956, No. 15350/56. Class 6(3). Haulm-clearing hooks are mounted on a potato-harvester, or on a tractor towing it, in positions adjacent to the vehicle-wheels and just forward thereof so that haulms are pulled by the hooks as the wheels run over them. Each hook comprises a bifurcated shank 12 secured adjustably to a bar 13 through a pin and slot connection 14 the bar having a hook 26 and a rearwardly-extending lifting arm 24 which is attached by a chain 25 to a lifting mechanism (not shown). The shank 12 is pivoted between collars on a cross-shaft 18 carried by the vehicle chassis 11.
Patent GB-654120-A (GB)
Title: Electric soldering-iron
IPC: B23K3/02
Filed: 1948-06-07
Abstract: 654,120. Soldering - irons. FRANCON, C. June 7, 1948, No. 15352. Convention date, June 7, 1947. [Class 83 (iv)] [Also in Group XI] The bit a of an electric soldering-iron has at least one electric heating member arranged between an outer wall a<SP>1</SP>and an inner core a<SP>2</SP> of the bit. The core may consist of the upstanding part between two parallel slots in the bit, or a similar part formed in the centre of an annular groove. The Specification as open to inspection under Sect. 91 comprises also a bit which may have merely a single slot a<SP>3</SP> for the heating member, carried in two casing members f rotatably carried on a frame h. Each member f has a rounded boss f cooperating with rounded parts h<SP>1</SP> on each of the two members h so that the bit may be swivelled to different angular positions. The members f are clamped top and bottom by screws f<SP>2</SP> and g respectively. A wooden handle j carries terminals k. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1254604-A (GB)
Title: Method and device for threading toroidal cores
Inventor: SROKA REINHARD
IPC: H01F41/08
Filed: 1969-03-24
Abstract: 1,254,604. Making magnetic stores. KOMBINAT ROBOTRON VEB. 24 March, 1969, No. 15362/69. Heading H3B. A row of annular cores for a read-only store is selectively threaded with word conductors 2, 9, 19 by mounting each core 4, 5 in a respective pivoted holder 6, 7, those cores 5 to be threaded by a particular word conductor 9 being moved out of alignment with the remaining cores by rotating their holders 7, so that a threading member 8 supporting the conductor is enabled to pass through the apertures of the displaced cores and over the outer surface of the unselected cores. The conductor is terminated at a contact 12 and where it passes over the outer surface of unselected cores is secured by looping over hooks 3. A programme control 13 selects the cores to be displaced before the commencement of each threading operation.
Patent GB-731940-A (GB)
Title: Surface coating mass containing polyethylene
IPC: C09D123/06
Filed: 1952-06-19
Abstract: A surface coating mass is produced by dissolving high molecular weight polyethylene in an organic compound in which solution is only possible at elevated temperatures, cooling to form a gel, dispersing the gel in a solvent, and mixing the resulting dispersion with a solution, paste or dispersion of another macromolecular substance in more of the organic compound used to dissolve the polyethylene. Preferably, a substantial part of the solvent and organic compound is separated, e.g. mechanically, from the dispersion and is replaced by another dispersion medium as described in Specification 726,668.  In the example, polyethylene of mol. weight 18,000, is dissolved in benzene and the gel is dispersed in more benzene.  A benzene solution of polyisobutylene of mol. weight 200,000 is then mixed with it.
Patent GB-403018-A (GB)
Title: Improvements in and relating to cathode-ray apparatus
IPC: H01J29/62
Filed: 1933-05-30
Abstract: 403,018. Cathode-ray tubes. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitõts-Ges,; 2, Friedrich Karl-Ufer, Berlin.) May 30, 1933, No. 15597. Convention date, May 30, 1932. [Clase 39 (i).] The Wehnelt concentration cylinder of a gas-filled oscillograph tube, which lies between the cathode and the anode is surrounded by a metal cage at constant potential which projects into the space between the cathode and the cylinder. In one form, Fig. 1, the concentration cylinder 3 is surrounded by a metal cage 8 which preferably forms a rigid assembly with the anode 4, and has an aperture 9 to allow the ray to enter. The cathode may be indirectly-heated, and may comprise a cup 11, Fig. 2, coated with barium oxide and situated in a space 12.
Patent GB-1163025-A (GB)
Title: Lubricating Oil Additives and Lubricating Compositions containing them
Inventor: ELLIOTT JOHN SCOTCHFORD
IPC: C10N40/08
Filed: 1967-04-05
Abstract: 1,163,025. Lubricants. CASTROL Ltd. 1 April, 1968 [5 April, 1967], No. 15726/67. Heading C5F. Lubricating oils have added thereto a mixture of one or more bismuth dihydrocarbyl dithiophosphates and one or more zinc and/or cadmium dihydrocarbyl dithiophosphates. Each hydrocarbyl group may be alkyl, alkaryl, aryl or aralkyl and may be substituted by hydroxyl or ether groups or by one or more halogen atoms. The compositions may also contain alkaline earth metal sulphonates, a barium salt of a phosphosulphurized hydrocarbon, e.g. polyisobutylene, a polyisobutenyl succinimide, polymethacrylates and polyisobutylene.